Fotasy M42 Screw Mount lens to Sony Minolta DSLR Camera adapter Ring， for Sony Alpha a99 a900 a850 a700 a77 a65 a58 a55 a35 a33 a580 a390 a380 a350 a330 a300 a290 a230 a200 a100<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> The ring allows M42 Screw Mount lenses (Carl Zeiss， Pentax， Praktica， Mamiya) to be used on Sony Alpha Digital cameras (film SLR and digital SLR) </span></li><li><span class="a-list-item"> The adapter is brand new ， and made of brass copper </span></li><li><span class="a-list-item"> The lens is set manually </span></li><li><span class="a-list-item"> It is possible to use Macro rings and other accessories </span></li><li><span class="a-list-item"> For Sony Alpha a99 a900 a850 a700 a77 a65 a58 a55 a35 a33 a580 a390 a380 a350 a330 a300 a290 a230 a200 a100 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31GP6%2B3-rTL.jpg" noproxy>